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💡 Click on any color value below to copy it to clipboard
Running Number
3,771,514
HEX
#398C7A
RGB
57, 140, 122
HSL
167°,42%,39%
HSV
167°,59%,55%
CMYK
59%,0%,13%,45%
Brightness
44%
Type
Dark
AA Normal Text: ≥ 4.5:1
AA Large Text: ≥ 3.0:1
AAA Normal Text: ≥ 7.0:1
AAA Large Text: ≥ 4.5:1
#398C7A sits at 167° on the color wheel, placing it in the cyan family of the cool half of the spectrum. With 42% saturation and 39% lightness, it reads as a moderately saturated, shadowed tone — a balanced mid-energy presence that sits comfortably alongside other UI tones. Its RGB mix of 57, 140, 122 produces a 5.21:1 contrast ratio against black, which clears WCAG AA for body text in that pairing.
In RGB space #398C7A is a clear variant of CSS sea green — about 37 units away from #2E8B57. Designers reach for cyan hues at this saturation when the brief calls for a conversational, mid-energy register, and at this lightness when they want a present, comfortable mid-canvas voice. On screen the cool cast tends to pair best with warm neutrals in the 25°-45° range to add life.
See how this color appears in real UI elements
Button (filled)
Badge
Progress Bar
Link Hover
Input Focus Ring
Checkbox Active
Toggle Switch On
Slider Thumb
Card Border
Icon Highlight
Tooltip Background
Modal Header
Tab Active
Alert Box
Timeline Dot
Loading Spinner
Dropdown Selected
Table Row Highlight
Calendar Date
Mobile Device
See how to use #398C7A in different programming languages
| Platform | Languages |
|---|---|
| Frontend | |
| Mobile | |
| Backend | |
| Others |
document.getElementById("box").style.backgroundColor = "#398c7a";💡 Click any tab to see how to use #398c7a in different programming languages